There are a couple of things going on here to make this card so valuable
No more fumbling with loose cards or worrying about damage during transitthis deck box keeps your focus where it should be: on the next spell, the next combo, the next victory
Rating: 4/5 Genie - Main Attraction The first of Amethyst's Legendaries this set is Genie - Main Attraction
The other deck is Might and Magic, an Amethyst/Steel deck that features RotFs new keyword, Resist, and its major new deck building mechanic, bouncing your own cards back into your hand
Im mostly happy to play this with Rydia or graveyard synergies (i.e., Esper Origins / Summon: Esper Maduin), though its acceptable filler anywhere
It is important to know that if you blink a transformed card, it will return to the battlefield on its front face